<template>
  <div class="subject">
    <span>{{ item.num1 }}</span>
    <span>+</span>
    <span>{{ item.num2 }}</span>
    <span>=</span>
    <input type="number" v-model="val" />
    <button @click="item.result = val">提交</button>
  </div>
</template>

<script>
export default {
  name: 'ZsxtCmp1',
  components: {},
  props: ['item'],
  data() {
    return {
      val: '',
    }
  },
  computed: {},
  watch: {},
  created() {},
  mounted() {},
}
</script>

<style lang="less" scoped>
.subject {
  margin: 5px;
  padding: 5px;
  font-size: 20px;
}
.subject span {
  display: inline-block;
  text-align: center;
  width: 20px;
}
.subject input {
  width: 50px;
  height: 20px;
}
</style>
